Expansive view of Hoover Dam showing the power houses, the waters of the Colorado River below the power houses, two of the portals to the diversion tunnels, transmission towers on the cliffs above, and a cable across the top...

Downstream face of the completed Hoover Dam with the diversion tunnels in use. The outlet works and power houses are visible. A cableway spans the canyon and some transmission towers are visible high up on the canyon walls....

Aerial view of Hoover Dam after completion. The reservoir (Lake Mead) is visible behind the dam along with the intake towers. Below the dam, the diversion tunnels are in use and part of the Colorado River is visible....